Using O, Cn1c(NC(=O)OCc2ccccc2)c(-c2ccccc2)c2cc(Cl)ccc21 to produce CN(C(=O)NC(=O)OCc1ccccc1)c1ccc(Cl)cc1C(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.