Using CCCc1cc(C(=O)OC)ccc1Oc1c(CC(=O)OCC)ccc2c1OCO2 to produce CCCc1cc(C(=O)OC)ccc1Oc1c(CC(=O)O)ccc2c1OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.