Using NCC(=O)O, CCCCOC(=O)c1nc(C#N)c2ccc(Oc3ccc4nc(C)sc4c3)cc2c1O to produce Cc1nc2ccc(Oc3ccc4c(C#N)nc(C(=O)NCC(=O)O)c(O)c4c3)cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.