Using CCOC(=O)c1cccc2nc(SCC)n(Cc3ccc(-c4ccccc4-c4nnn[nH]4)cc3)c12 to produce CCSc1nc2cccc(C(=O)O)c2n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.