Using COC(=O)CCc1ccc(C(=O)CNC(=O)c2ccc(C(=N)N)cc2)cc1 to produce N=C(N)c1ccc(C(=O)NCC(=O)c2ccc(CCC(=O)O)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.