Using COCCN, COc1cc(-c2cc3cc(C=O)ccc3n2C(=O)OC(C)(C)C)c2c(c1OS(C)(=O)=O)CNC2=O to produce COCCNCc1ccc2c(c1)cc(-c1cc(OC)c(OS(C)(=O)=O)c3c1C(=O)NC3)n2C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.