Using CCCCCc1ccc(C(C=O)=COCC)cc1, N=C(N)c1ccc(C(N)=O)cc1 to produce CCCCCc1ccc(-c2cnc(-c3ccc(C(N)=O)cc3)nc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.