Using C1COCCN1, O=C(O)c1cnc(N[C@H]2C[C@H](n3c(=O)n(C4CC4)c4nccnc43)C2)s1 to produce O=C(c1cnc(N[C@H]2C[C@H](n3c(=O)n(C4CC4)c4nccnc43)C2)s1)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.