Using CCOC(=O)C1c2ccc(O)nc2CCN1C(=O)OC(C)(C)C, C[O+](C)C to produce CCOC(=O)C1c2ccc(OC)nc2CCN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.