Using BrCCCc1ccccc1, CCOC(=O)c1c(N)sc2c1CCNC2 to produce CCOC(=O)c1c(N)sc2c1CCN(CCCc1ccccc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.