Using O=C(c1cc2ncc(Br)cn2n1)N1CCc2nc[nH]c2CC1, c1cnc2c(c1)CCNCC2 to produce Cn1cnc2c1CCN(C(=O)c1cc3ncc(Br)cn3n1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.