Using CCOC(=O)Cc1ccccc1N(Cc1ccccc1)c1c(Cl)cccc1Cl to produce O=C(O)Cc1ccccc1N(Cc1ccccc1)c1c(Cl)cccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.