Using O=Cc1ccc2ccc(Br)cc2n1, COc1ccc(CN)c(OC)c1 to produce COc1ccc(CNCc2ccc3ccc(Br)cc3n2)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.