Using O=C1Nc2cccc3c2C1(CCCCBr)CCC3, c1ccc(CC2CCNCC2)cc1 to produce O=C1Nc2cccc3c2C1(CCCCN1CCC(Cc2ccccc2)CC1)CCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.