Using O=c1cc(N2CCOCC2)oc2c(-c3ccc4c(c3)OCCO4)csc12, CC(C)(C)OC(=O)CCC(=O)OCCl to produce CC(C)(C)OC(=O)CCC(=O)OCOc1cc(N2CCOCC2)[o+]c2c(-c3ccc4c(c3)OCCO4)csc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.