Using COC(=O)Cc1c(Cl)nc(Cc2ccc(NC(=O)c3ccc4ccccc4c3)cc2)nc1Cl to produce O=C(O)Cc1c(Cl)nc(Cc2ccc(NC(=O)c3ccc4ccccc4c3)cc2)nc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.