Using O=C1CCCc2cccnc21, CC(C)(C)OC(=O)NCCCC[C@H](N)C(=O)NCc1ccccn1 to produce CC(C)(C)OC(=O)NCCCC[C@H](NC1CCCc2cccnc21)C(=O)NCc1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.