Using COC(=O)CCNC(=O)c1ccc2c(c1)nc(-c1ccc(C(=N)N)cc1)n2C, COC(=O)Cl to produce COC(=O)CCNC(=O)c1ccc2c(c1)nc(-c1ccc(C(=N)NC(=O)OC)cc1)n2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.