Using COC(=O)C(Cc1ccc(OCCOc2ccc3c(c2)C(C)(C)CCC3(C)C)cc1)C(=O)OC to produce CC1(C)CCC(C)(C)c2cc(OCCOc3ccc(CC(C(=O)O)C(=O)O)cc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.