Using CCc1nc2cc(OC)c(OC)cc2c(-c2ccc(OC)c(OC)c2)c1C(=O)OC to produce CCc1nc2cc(OC)c(OC)cc2c(-c2ccc(OC)c(OC)c2)c1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.