Using c1ccc2c(N3CCNCC3)n[nH]c2c1, O=C1c2ccccc2C(=O)N1CCBr to produce O=C1c2ccccc2C(=O)N1CCN1CCN(c2n[nH]c3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.