Using CCCCI, COC(=O)NC(=S)NC1C(=N)C=CC=C1Cc1ccco1 to produce CCCCSC(=NC(=O)OC)NC1C(=N)C=CC=C1Cc1ccco1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.