Using CC1(C)OCC[C@@H]2[C@@H](NC(=O)OCc3ccccc3)C(=O)N21 to produce CC1(C)OCC[C@@H]2[C@@H](N)C(=O)N21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.