Using Oc1ccc2c(c1)OCO2, O=C1Nc2cccc(Cl)c2C1=O to produce O=C1Nc2cccc(Cl)c2C1(O)c1cc2c(cc1O)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.