Using O=C(CO)c1ccccc1, Cn1c(Cl)nc(-c2ccncn2)cc1=O to produce Cn1c(OCC(=O)c2ccccc2)nc(-c2ccncn2)cc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.