Using O=C(Nc1ccc(Cl)c(S(=O)(=O)NCCOCc2ccccc2)c1O)Nc1cccc(Cl)c1Cl to produce O=C(Nc1ccc(Cl)c(S(=O)(=O)NCCO)c1O)Nc1cccc(Cl)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.