Using CCC(NC(=O)OC(C)(C)C)C(O)c1nc2ccccc2o1 to produce CCC(NC(=O)OC(C)(C)C)C(=O)c1nc2ccccc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.