Using CCOC(=O)CCCOc1ccc(C2(C(=O)OCC)Cc3c(c(OC)c(OC)c(OC)c3OC)C2)cc1 to produce COc1c2c(c(OC)c(OC)c1OC)CC(C(=O)O)(c1ccc(OCCCC(=O)O)cc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.