Using NC(=O)c1ccc(Oc2ccc3c(c2)CCNCC3)nc1, BrCCc1ccccc1 to produce NC(=O)c1ccc(Oc2ccc3c(c2)CCN(CCc2ccccc2)CC3)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.