Using C1COCCO1, Clc1ccc(-c2n[nH]c(C3CCNCC3)c2-c2ccncn2)cc1 to produce O=C(CO)n1nc(-c2ccc(Cl)cc2)c(-c2ccncn2)c1C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.