Using N=C(N)NCCN1CCNC1=O, CN(C)C=C(C#N)C(=O)c1ccc(Br)s1 to produce N#Cc1cnc(NCCN2CCNC2=O)nc1-c1ccc(Br)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.