Using COC(=O)CBr, CCCN(c1ccc2[nH]ccc2c1)c1nc(-c2ccc(OC)cc2Cl)c(C)s1 to produce CCCN(c1ccc2c(ccn2CC(=O)OC)c1)c1nc(-c2ccc(OC)cc2Cl)c(C)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.