Using O=C(O)c1cc[nH]n1, CC(C)(C)OC(=O)N1CCO[C@@H](c2ccc(N)cc2)C1 to produce CC(C)(C)OC(=O)N1CCO[C@@H](c2ccc(NC(=O)c3cc[nH]n3)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.