Using COc1nccc2c(Nc3c(Cl)cc(-c4ccn[nH]4)cc3Cl)nc3ccc(Br)cc3c12 to produce O=c1[nH]ccc2c(Nc3c(Cl)cc(-c4ccn[nH]4)cc3Cl)nc3ccc(Br)cc3c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.