Using O=C(C=Cc1cccnc1)NCCCCC1CCNCC1, BrCc1ccccc1 to produce O=C(C=Cc1cccnc1)NCCCCC1CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.