Using O=C(O)Cc1ccc(-n2cnnn2)cc1, N#Cc1ccc2c(c1)CCC(N1CCNCC1=O)C2 to produce N#Cc1ccc2c(c1)CCC(N1CCN(C(=O)Cc3ccc(-n4cnnn4)cc3)CC1=O)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.