Using C1=COCCC1, CCN1C(=O)C(C)(C)c2cc3[nH]c(C(C)=O)nc3cc21 to produce CCN1C(=O)C(C)(C)c2cc3c(cc21)nc(C(C)=O)n3C1CCCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.