Using COC(=O)CN(C(=O)Cc1ccccc1)C(C)(C)c1ccccc1 to produce CC(C)(c1ccccc1)N1CC(O)=C(c2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.