Using O=C1CCC(=O)N1Cl, COc1ccc(Cn2nnc3c(O)cccc32)cc1 to produce COc1ccc(Cn2nnc3c(O)c(Cl)ccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.