Using C[C@@H](c1ccccc1)n1c(O)nc2ncc(Br)nc21, C=C(OCC)[Sn](CCCC)(CCCC)CCCC to produce CC(=O)c1cnc2nc(O)n([C@@H](C)c3ccccc3)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.