Using O=C(Nc1ccccn1)ON1C(=O)CCC1=O, NCc1cccc2c1C(=O)N(C1CCC(=O)NC1=O)C2=O to produce O=C1CCC(N2C(=O)c3cccc(CNC(=O)Nc4ccccn4)c3C2=O)C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.