Using C=CCCCCCCCCCBr, CN1C(=O)NC(=O)C2NCCN=C21 to produce C=CCCCCCCCCCN1C(=O)C2NCCN=C2N(C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.