Using COC(=O)c1ccccc1Nc1ccc2c(c1)CC(NCc1ccc(Cl)c(Cl)c1)C2 to produce O=C(O)c1ccccc1Nc1ccc2c(c1)CC(NCc1ccc(Cl)c(Cl)c1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.