Using Clc1ncc2c(n1)N1CCOCC1CN2, COC(=O)c1ccc(CBr)cc1 to produce COC(=O)c1ccc(CN2CC3COCCN3c3nc(Cl)ncc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.