Using Clc1ccc(CCBr)cc1, CCOC(=O)c1cc2c(N3CCNCC3)cccc2s1 to produce CCOC(=O)c1cc2c(N3CCN(CCc4ccc(Cl)cc4)CC3)cccc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.