Using COc1nc(OC)nc(OC(C(=O)OCc2ccccc2)C(C)(C)C)n1 to produce COc1nc(OC)nc(OC(C(=O)O)C(C)(C)C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.