Using CCOC(=O)n1c(SCc2nccc(OCCCOC)c2C)nc2ccccc21, O=C(OO)c1cccc(Cl)c1 to produce CCOC(=O)n1c(S(=O)Cc2nccc(OCCCOC)c2C)nc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.