Using CC(=O)OC(C)=O, CC(=O)N1CCNC=C1C(=O)NC(C)(C)C to produce CC(=O)N1C=C(C(=O)NC(C)(C)C)N(C(C)=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.