Using COC(=O)CCc1ccc(OCc2cccc(Oc3c(C)cccc3C)c2)cc1 to produce Cc1cccc(C)c1Oc1cccc(COc2ccc(CCC(=O)O)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.