Using O=C1CCc2ccc(OCCCCCBr)cc2N1, c1ccc(CC2CCNCC2)cc1 to produce O=C1CCc2ccc(OCCCCCN3CCC(Cc4ccccc4)CC3)cc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.