Using O=C(O)Cc1ccccc1Nc1c(Cl)cccc1Cl, NC(=O)c1ccc(O)cc1 to produce NC(=O)c1ccc(OC(=O)Cc2ccccc2Nc2c(Cl)cccc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.