Using O=Cc1cccnc1, Nc1cccc(-n2cnc3cc(C(=O)NCc4cccnc4)ccc32)c1 to produce O=C(NCc1cccnc1)c1ccc2c(c1)ncn2-c1cccc(NCc2cccnc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.