Using CC(C)(C)OC(=O)N1CCC(c2ccc(C(=O)O)cc2)CC1, CNOC to produce CON(C)C(=O)c1ccc(C2CCN(C(=O)OC(C)(C)C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.