Using C[n+]1ccccc1Cl, O=C(O)Cc1nc(-c2ccc(Cl)cc2)oc1-c1ccsc1 to produce CCCCOC(=O)Cc1nc(-c2ccc(Cl)cc2)oc1-c1ccsc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.