Using c1ccc2c(N3CCNCC3)nsc2c1, O=C1c2ccccc2C(=O)N1CCCBr to produce O=C1c2ccccc2C(=O)N1CCCN1CCN(c2nsc3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.