Using CN, O=C(Nc1nccc2c1ccn2C(=O)c1c(Cl)cc(CBr)cc1Cl)C1CC1 to produce CNCc1cc(Cl)c(C(=O)n2ccc3c(NC(=O)C4CC4)nccc32)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.