Using CCOC(=O)C1(COc2ccc(OCc3ccccc3)c(C)c2C)CC1 to produce Cc1c(OCc2ccccc2)ccc(OCC2(C(=O)O)CC2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.