Using CCOP(=O)(OCC)c1ccc(-c2ccc(C(C)(C)NC(=O)OC(C)(C)C)cn2)cc1 to produce CCOP(=O)(OCC)c1ccc(-c2ccc(C(C)(C)N)cn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.