Using CCOC(=O)C(C(=O)N(CCC(=O)OC)Cc1cccnc1)=C1SC=CS1 to produce COC(=O)C1CN(Cc2cccnc2)C(=O)C(=C2SC=CS2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.