Using O, COc1ccc2c(c1)S(=O)(=O)N=C1CCCN12 to produce O=S1(=O)N=C2CCCN2c2ccc(Oc3cccc(O)c3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.