Using O=C1N(CCCCBr)CSC12CCCC2, c1ccc2c(N3CCNCC3)nsc2c1 to produce O=C1N(CCCCN2CCN(c3nsc4ccccc34)CC2)CSC12CCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.