Using CCOC(=O)C1CCNCC1, CC(C)(C)OC(=O)Nc1ncc(C=O)s1 to produce CCOC(=O)C1CCN(Cc2cnc(NC(=O)OC(C)(C)C)s2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.