Using C=C[Mg]Br, O=C1CO[C@H]2[C@@H]1OC[C@H]2Oc1nc2nc(-c3ccc(-c4ccccc4)cc3)c(Cl)cc2[nH]1 to produce C=C[C@@]1(O)CO[C@@H]2[C@H](Oc3nc4nc(-c5ccc(-c6ccccc6)cc5)c(Cl)cc4[nH]3)CO[C@@H]21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.