Using CCOP(=O)(OCC)c1ccc(C(NC(=O)OC(C)(C)C)c2ccccc2)cn1 to produce CCOP(=O)(OCC)c1ccc(C(N)c2ccccc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.