Using O=C(Cl)OCCOCc1ccccc1, c1ccc2[nH]c(-c3cscn3)nc2c1 to produce O=C(OCCOCc1ccccc1)n1c(-c2cscn2)nc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.