Using CC(C)(C)OC(=O)NC1CCN(CCOS(C)(=O)=O)CC1, COc1ccc2ncc(O)cc2n1 to produce COc1ccc2ncc(OCCN3CCC(NC(=O)OC(C)(C)C)CC3)cc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.