Using BrC1c2ccccc2-c2ccccc21, O=C(CCc1cccnc1)NCCCCC1CCNCC1 to produce O=C(CCc1cccnc1)NCCCCC1CCN(C2c3ccccc3-c3ccccc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.