Using CCOC(C)=O, Cc1ccc(S(=O)(=O)N2CCNC(=O)CC2CC(=O)O)cc1 to produce CCOC(=O)CC1CC(=O)NCCN1S(=O)(=O)c1ccc(C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.