Using CCOC(=O)C1=Cc2cc(Cl)c(CBr)cc2OC1C(F)(F)F, Cc1ccnc([Mg]Br)c1 to produce CCOC(=O)C1=Cc2cc(Cl)c(Cc3cc(C)ccn3)cc2OC1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.