Using COC(=O)CCCN1C(=O)N=C(NC2CCCCC2)C12CCN(Cc1ccc(CN)cc1)CC2 to produce NCc1ccc(CN2CCC3(CC2)C(NC2CCCCC2)=NC(=O)N3CCCC(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.